[dpdk-dev] [PATCH v3] net/bonding: fix socket id check
Ferruh Yigit
ferruh.yigit at intel.com
Tue Apr 27 13:06:01 CEST 2021
On 4/27/2021 11:54 AM, Min Hu (Connor) wrote:
> From: Chengchang Tang <tangchengchang at huawei.com>
>
> The socket ID entered by user is cast to an unsigned integer. However,
> the value may be an illegal negative value, which may cause some
> problems. In this case, an error should be returned.
>
> In addition, the socket ID may be an invalid positive number, which is
> also processed in this patch.
>
> Fixes: 2efb58cbab6e ("bond: new link bonding library")
> Cc: stable at dpdk.org
>
> Signed-off-by: Chengchang Tang <tangchengchang at huawei.com>
> Signed-off-by: Min Hu (Connor) <humin29 at huawei.com>
> ---
> v3:
> * changed type of socket id.
>
> v2:
> * fixed socket id type.
> ---
> drivers/net/bonding/rte_eth_bond_args.c | 6 +++---
> drivers/net/bonding/rte_eth_bond_pmd.c | 4 ++--
> 2 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/net/bonding/rte_eth_bond_args.c b/drivers/net/bonding/rte_eth_bond_args.c
> index 8c5f90d..977f3fe 100644
> --- a/drivers/net/bonding/rte_eth_bond_args.c
> +++ b/drivers/net/bonding/rte_eth_bond_args.c
> @@ -207,13 +207,13 @@ bond_ethdev_parse_socket_id_kvarg(const char *key __rte_unused,
> return -1;
>
> errno = 0;
> - socket_id = (uint8_t)strtol(value, &endptr, 10);
> + socket_id = (int)strtol(value, &endptr, 10);
> if (*endptr != 0 || errno != 0)
> return -1;
>
> /* validate socket id value */
> - if (socket_id >= 0) {
> - *(uint8_t *)extra_args = (uint8_t)socket_id;
> + if (socket_id >= 0 && socket_id < RTE_MAX_NUMA_NODES) {
> + *(int *)extra_args = socket_id;
What do you think to keep this local 'socket_id' variable as "long int" as
reasons commented on previous versions.
> return 0;
> }
> return -1;
> diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
> index 2e9cea5..4fad563 100644
> --- a/drivers/net/bonding/rte_eth_bond_pmd.c
> +++ b/drivers/net/bonding/rte_eth_bond_pmd.c
> @@ -3333,8 +3333,8 @@ bond_probe(struct rte_vdev_device *dev)
> const char *name;
> struct bond_dev_private *internals;
> struct rte_kvargs *kvlist;
> - uint8_t bonding_mode, socket_id/*, agg_mode*/;
> - int arg_count, port_id;
> + uint8_t bonding_mode /*, agg_mode*/;
Can you please cleanup the 'agg_mode' while you are touching this.
> + int arg_count, port_id, socket_id;
Can you add it into new line, instead of appending?
> uint8_t agg_mode;
> struct rte_eth_dev *eth_dev;
>
>
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